Reference number
ISO 226:1987
© ISO 2024
ISO 226:1987
Acoustics — Normal equal-loudness level contours
Edition 1
1987-05
Withdrawn
Withdrawn (Edition 1, 1987)

Abstract

Specifies the relations existing between the sound pressure levels and frequencies of pure sinusoidal continuous tones in several conditions. These relations are expressed as curves and represent a fundamental property of the human auditory system.

General information

  • Status
     : Withdrawn
    Publication date
     : 1987-05
    Stage
    : Withdrawal of International Standard [95.99]
  • Edition
     : 1
    Number of pages
     : 8
  • Technical Committee :
    ISO/TC 43
    ICS :
    13.140 
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